### Celestial navigation series, part six

In this installment, we’ll cover time, time zones and the Nautical Almanac.

### May/June Issue 255: The Golden Globe Race

The first Golden Globe nonstop around-the-world race was held 50 years ago in 1968-69 as a response to Sir Francis Chichester’s single-handed, one-stop circumnavigation a few years before.

### Celestial navigation series, part 5

In this installment, we’ll cover sextants and sight taking, and the corrections you’ll need to apply to your sight.

### The four errors in a sextant

Exploring collimation error, perpendicularity of the index mirror error, side error and index error.

### Examples of correcting a sight

Here is a sample problem of sight correction.

### March/April Issue 253: A black cat aboard Nancy Hanks

Many a ship has sailed with a cat aboard. Cats were often carried on sailing ships to hunt rodents but also simply for their companionship.

### Celestial navigation series, part four

In this installment, we’ll cover Local Hour Angle (LHA), and determining assumed longitude and assumed latitude. We’ll also look at the spherical trigonometric process for doing sight reduction.

### January/February Issue 252: Ahab destroys his quadrant

By the time we reach the 118th chapter of Moby Dick, we are either emotionally exhausted or enthralled, sometimes both.

### Celestial navigation series, part three

In this installment, we’ll discuss the navigational astronomy of the sun, the celestial sphere, the coordinate system used on the celestial sphere and also the navigational triangle.

### November/December Issue 251: Viking takes Chicago

This past summer, the Viking great ship, Draken, toured the U.S. East Coast.

### Celestial navigation series, part two

In this installment, we’ll discuss how to make our own chart for plotting our celestial navigation data at sea, and we’ll review dead reckoning, plotting, current vectors and compensating for current.

### September/October Issue 250: The sinking of RMS Atlantic

It was considered just a regular passage, from Liverpool to New York City.